Finding the Fourth Proportional to 281,664.69, 422,497.35 and 71,302.62
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Solution
The fourth proportional to 281,664.69, 422,497.35 and 71,302.62 is: 106,954.01
Step by Step Solution
- Step 1: Write the proportion equation
281,664.69 : 422,497.35 = 71,302.62 : x - Step 2: Convert to fraction form
281,664.69/422,497.35 = 71,302.62/x - Step 3: Cross multiply
281,664.69x = 422,497.35 × 71,302.62 - Step 4: Simplify right side
281,664.69x = 30,125,167,998.06 - Step 5: Solve for x
x = 30,125,167,998.06/281,664.69 - Step 6: Final answer
x = 106,954.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.